EP2259660A3 - Electronic ballast control circuit - Google Patents

Electronic ballast control circuit Download PDF

Info

Publication number
EP2259660A3
EP2259660A3 EP10164250A EP10164250A EP2259660A3 EP 2259660 A3 EP2259660 A3 EP 2259660A3 EP 10164250 A EP10164250 A EP 10164250A EP 10164250 A EP10164250 A EP 10164250A EP 2259660 A3 EP2259660 A3 EP 2259660A3
Authority
EP
European Patent Office
Prior art keywords
control circuit
lamp
lamp set
controller
electronic ballast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10164250A
Other languages
German (de)
French (fr)
Other versions
EP2259660A2 (en
EP2259660B1 (en
Inventor
Shashank Bakre
Nitin Kumar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram Sylvania Inc
Original Assignee
Osram Sylvania Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osram Sylvania Inc filed Critical Osram Sylvania Inc
Publication of EP2259660A2 publication Critical patent/EP2259660A2/en
Publication of EP2259660A3 publication Critical patent/EP2259660A3/en
Application granted granted Critical
Publication of EP2259660B1 publication Critical patent/EP2259660B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only

Abstract

A control circuit for use in a ballast (100) configured for powering a first lamp set and a second lamp set. The second lamp set is operated via a controller (122B) and a second lamp driver circuit (120B). The controller (122B) enables the second lamp driver circuit (120B) as a function of a monitored value corresponding to a current through a lamp of the second lamp set. The control circuit (170) includes first (172) and second input terminals (174) for selectively connecting to the power supply. The control circuit (170) reduces the monitored value as a function of a connection state of the first (172) and second input terminals (174) of the control circuit (170) to the power supply. Thus, the control circuit (170) causes the controller (122B) to selectively operate the second lamp driver circuit (120B) in order to energize the second lamp set in combination with the first lamp set.
EP10164250.2A 2009-05-28 2010-05-28 Electronic ballast control circuit Not-in-force EP2259660B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/474,049 US7986111B2 (en) 2009-05-28 2009-05-28 Electronic ballast control circuit

Publications (3)

Publication Number Publication Date
EP2259660A2 EP2259660A2 (en) 2010-12-08
EP2259660A3 true EP2259660A3 (en) 2011-12-28
EP2259660B1 EP2259660B1 (en) 2013-09-04

Family

ID=43012163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10164250.2A Not-in-force EP2259660B1 (en) 2009-05-28 2010-05-28 Electronic ballast control circuit

Country Status (5)

Country Link
US (1) US7986111B2 (en)
EP (1) EP2259660B1 (en)
JP (1) JP2010278006A (en)
CN (1) CN101902864B (en)
CA (1) CA2701996C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012143841A2 (en) * 2011-04-22 2012-10-26 Koninklijke Philips Electronics N.V. Instant start ballast system
US8581497B1 (en) * 2011-08-30 2013-11-12 Universal Lighting Technologies, Inc. Electronic ballast circuit and method for detecting removal of parallel connected lamp filaments in low level dimming
US8896460B2 (en) * 2011-09-23 2014-11-25 Osram Sylvania Inc. Lighting control
CA2893588C (en) * 2011-12-12 2018-01-30 Lumen Cache, Inc. Lighting control system
TWI565204B (en) * 2015-05-21 2017-01-01 Dynamic detection regulator boost power factor correction control device
CN106300954A (en) * 2015-05-21 2017-01-04 产晶积体电路股份有限公司 Dynamic detection voltage stabilizing boosting power factor correction control apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0845928A1 (en) * 1996-11-29 1998-06-03 Toshiba Lighting & Technology Corporation Lighting apparatus for discharge lamps with preheating filaments
WO2000024231A1 (en) * 1998-10-16 2000-04-27 Electro-Mag International, Inc. Ballast circuit with independent lamp control
US6204614B1 (en) * 1999-05-07 2001-03-20 Philips Electronics North America Corporation Bi-level output electronic high intensity discharge (HID) ballast system
US6339299B1 (en) * 2000-07-31 2002-01-15 National Science Council Preheating circuit for detecting the filament temperature of fluorescent lamps
US20020011806A1 (en) * 2000-02-25 2002-01-31 Moisin Mihail S. Ballast circuit with independent lamp control
US20070241693A1 (en) * 2006-04-12 2007-10-18 Power Elab Limited Apparatus for end-of-life detection of fluorescent lamps
US7315130B1 (en) * 2006-12-27 2008-01-01 General Electric Company Switching control for inverter startup and shutdown
EP2003937A1 (en) * 2007-06-14 2008-12-17 Gigno Technology Co., Ltd. Driving method and control method of hot cathode fluorescent lamp, and estimation method of temperature of filament in hot cathode fluorescent lamp

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01113996U (en) * 1988-01-26 1989-07-31
US5650694A (en) * 1995-03-31 1997-07-22 Philips Electronics North America Corporation Lamp controller with lamp status detection and safety circuitry
JPH10284268A (en) * 1997-03-31 1998-10-23 Toshiba Lighting & Technol Corp Multiple discharge lamp lighting device and lighting system
US6326740B1 (en) * 1998-12-22 2001-12-04 Philips Electronics North America Corporation High frequency electronic ballast for multiple lamp independent operation
JP2000208286A (en) * 1999-01-19 2000-07-28 Matsushita Electric Works Ltd Luminaire
US6320329B1 (en) * 1999-07-30 2001-11-20 Philips Electronics North America Corporation Modular high frequency ballast architecture
JP2002280194A (en) * 2001-03-16 2002-09-27 Toshiba Lighting & Technology Corp Luminaire
JP2003217879A (en) * 2002-01-28 2003-07-31 Matsushita Electric Works Ltd Discharge lamp lighting device
KR100925468B1 (en) * 2003-02-28 2009-11-06 삼성전자주식회사 Liquid crystal display
US7042170B2 (en) * 2003-05-31 2006-05-09 Lights Of America, Inc. Digital ballast
JP2006049028A (en) * 2004-08-03 2006-02-16 Minebea Co Ltd Discharge lamp lighting device
TWI294683B (en) * 2004-08-23 2008-03-11 Monolithic Power Systems Inc A fault protection scheme for ccfl integrated circuits
DE102005005058A1 (en) 2005-02-03 2006-08-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH circuitry
KR100646427B1 (en) * 2005-03-04 2006-11-23 삼성전자주식회사 Lamp joint structure in which a parallel drive is possible
DE102005017506A1 (en) 2005-04-15 2006-10-19 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electronic ballast for a lamp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0845928A1 (en) * 1996-11-29 1998-06-03 Toshiba Lighting & Technology Corporation Lighting apparatus for discharge lamps with preheating filaments
WO2000024231A1 (en) * 1998-10-16 2000-04-27 Electro-Mag International, Inc. Ballast circuit with independent lamp control
US6204614B1 (en) * 1999-05-07 2001-03-20 Philips Electronics North America Corporation Bi-level output electronic high intensity discharge (HID) ballast system
US20020011806A1 (en) * 2000-02-25 2002-01-31 Moisin Mihail S. Ballast circuit with independent lamp control
US6339299B1 (en) * 2000-07-31 2002-01-15 National Science Council Preheating circuit for detecting the filament temperature of fluorescent lamps
US20070241693A1 (en) * 2006-04-12 2007-10-18 Power Elab Limited Apparatus for end-of-life detection of fluorescent lamps
US7315130B1 (en) * 2006-12-27 2008-01-01 General Electric Company Switching control for inverter startup and shutdown
EP2003937A1 (en) * 2007-06-14 2008-12-17 Gigno Technology Co., Ltd. Driving method and control method of hot cathode fluorescent lamp, and estimation method of temperature of filament in hot cathode fluorescent lamp

Also Published As

Publication number Publication date
CA2701996C (en) 2016-06-21
EP2259660A2 (en) 2010-12-08
EP2259660B1 (en) 2013-09-04
US20100301754A1 (en) 2010-12-02
CN101902864A (en) 2010-12-01
CA2701996A1 (en) 2010-11-28
US7986111B2 (en) 2011-07-26
CN101902864B (en) 2015-03-11
JP2010278006A (en) 2010-12-09

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